A worker cleans debris from the Fun Town Pier that was damaged by Superstorm Sandy in Seaside Heights, New Jersey, on February 19, 2013. Governor Chris Christie has estimated that damage in New Jersey caused by Superstorm Sandy could reach $37 billion. New Jersey. (Photo by Mark Wilson)

An Asian Elephant uses its trunk to place a hat on the head of its handler during the Elephants of Asia show at the Singapore Zoo in Singapore, 20 February 2013. There are over 315 animal species, of which some 16 percent are considered threatened, at the Zoo which attracts about 1.6 million visitors per year. (Photo by Stephen Morrison/EPA)

A man walks with his dog next to snow-covered Lake Michigan in Chicago, February 22, 2013. Gusty winds and iced-over roadways made for treacherous Midwest travel Friday as a major winter storm headed east over the Great Lakes. (Photo by Nam Y. Huh/Associated Press)

A camel braves the heavy snowfall at the Zoo in Frankfurt, Germany, on February 19, 2013. (Photo by Arne Dedert/DPA)

Yang Guang feeds on bamboo as he bulks up for the breeding season with partner Tian Tian on February 20, 2013 in Edinburgh, Scotland. Experts at Edinburgh Zoo have announced they expect the giant panda breeding season may be earlier this year, as both Tian Tian (Sweetie) and Yang Guang (Sunshine) have already started to show important changes in their behavior that indicate that they will soon be ready to mate, speculating in four weeks time. (Photo by Jeff J. Mitchell)

In this Friday, February 15, 2013, photo, CGladys Porter Zoo Director Jerry Stones holds a seventeen day old female baby gorilla at the Gladys Porter Zoo in Brownsville, Texas. The gorilla born last month at a South Texas zoo has been ignored by her mother so the animal will be sent to an Ohio zoo and introduced to a new troop. (Photo by Christian Rodriguez/AP Photo/The Brownsville Herald)

A lamb in a pen stands under a heat lamp at the farm of sheep breeder Patrick Donnelly, near the town of Ballymena in County Antrim, northern Ireland February 22, 2013. British and Irish sheep farmers fear for their future as an oversupply of lamb in recession-hit Europe drags farm-gate prices to three-year lows while production costs have soared. (Photo by Cathal McNaughton (Northern Ireland)/Reuters)

Inukshuk, an eleven-year-old male polar bear, plays in the water at the Toronto Zoo on Thursday February 21, 2013. Environment Minister Peter Kent was at the Zoo where he was presented with a Polar Bears International award: Champion of Polar Bears, PBI's highest honour. (Photo by Chris Young/AP Photo/The Canadian Press)

Children react as a carnivorous theropod known as the Australovenator dinosaur walks through crowds along the Southbank, in London, Monday, February 18, 2013. The dinosaur is one of many that can be visited at the Erth's Dinosaur Petting Zoo, visiting from Australia, the creatures can be touched and fed at the Southbank Centre. (Photo by Kirsty Wigglesworth/AP Photo)

A man playes with his dog in Grossenwieden, northern Germany, Sunday, February 17, 2013. Meteorologists forecast a mixture of sun and snow falls in large parts of Germany for the upcoming days. (Photo by Julian Stratenschulte/AP Photo/DPA)

Tundra hare sits in an open-air enclosure at the Royev Ruchey Zoo on the suburbs of Krasnoyarsk, February 21, 2013. (Photo by Ilya Naymushin/Reuters)

Cats sleep on a street sign in Tokyo’s Ginza shopping district on February 18, 2013. (Photo by Itsuo Inouye/AP Photo)

Two horses for sale play with each other at Skaryszew horse fair February 18, 2013. Polish animal rights campaigners heckled traders at one of Europe's biggest horse-trading fairs on Monday to try to prevent them selling the animals for meat. Horse breeders have been coming to the open-air fair on the same day every year for the past three centuries, but the tradition is under pressure from activists and, this year, from concern about the Europe-wide trade in horse meat. (Photo by Peter Andrews/Reuters)

A cow is attached to a BMW car in Qingdao, Shandong province, February 20, 2013. The driver of a damaged BMW had tethered the cow to his vehicle to express his anger towards a garage which he believed not only aggravated the damages to his car, but had also refused to compensate him for it. (Photo by China Daily)

A one week old baby Asian elephant is seen next to its mother in the Budapest Zoo, February 21, 2013. The baby does not have a name yet and will be on display at the Zoo from the weekend. (Photo by Laszlo Balogh/Reuters photo)

A young parakeet is fed by a veterinarian at an animal shelter west of Bogota, Colombia, February 18, 2013. (Photo by Fernando Vergara/AP Photo)

A 15-day-old night monkey sits in a veterinarian's palm at a temporary shelter west of Colombia, February 18, 2013. (Photo by Fernando Vergara/AP Photo)

A farmer loses control over his pair of oxen as they race through a paddy field during the “Kakkoor Kalavayal” festival at Kakkoor village, on the outskirts of the southern Indian city of Kochi, February 18, 2013. The post-harvest festival is celebrated by the farmers of Kakkoor and the surrounding villages. (Photo by Sivaram V/Reuters)

A cat is displayed at the International Cat Show in Bishkek, Kyrgyzstan, on February 17, 2013. (Photo by Roman/Zuma Press)